Fig. 3: Distribution of lineages, genetic clusters, and modelled refugia.
From: Long-term isolation of European steppe outposts boosts the biome’s conservation value
Patterns of genome-wide Restriction Associated DNA based divergence in six Eurasian steppe species illustrated as maximum likelihood phylogenies (nodes with bootstrap support >75% are indicated with a black dot) and STRUCTURE45 bar plots (colours illustrate STRUCTURE-based gene pools). The maps show the STRUCTURE-based gene pools’ geographic distributions. Coloured grids above the bar plots indicate the location of the sampled populations in the extrazonal (yellow) or zonal steppes (brown); the extents of extrazonal and zonal steppes are outlined via the layers used in Fig. 1a (yellow: extrazonal steppes, brown: zonal steppes; not provided in the small inset showing exclusively zonal localities). Maps in the upper-right corner of each panel show potential refugia for cold and warm stages resulting from ecological niche modelling. Projected logistic probabilities of suitability above the species-specific Maximum Training Sensitivity Plus Specificity thresholds are indicated in colour. Source data are provided as a Source Data file.
